Synthesis and luminescence property of Fe-doped ZnWO4 powders with aqueous solution reaction

被引：0

作者：

He, H. ^{[1
]}

Huang, J. ^{[1
]}

Cao, L. ^{[1
]}

Wu, J. ^{[1
]}

机构：

[1] Shaanxi Univ Sci & Technol, Coll Mat Sci & Engn, Xianyang 710021, Peoples R China

来源：

OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS | 2009年 / 3卷 / 03期

关键词：

ZnWO4; Fe-doping; Powders; Synthesis; Luminescence; Red emission; SINGLE-CRYSTALS; SPECTROSCOPIC PROPERTIES; FABRICATION; TUNGSTATES; CATALYST; PURE;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fe-doped ZnWO4 powders have been synthesized with low-cost reaction between sodium tungstates and chloride aqueous solutions and following calcinations. The powders were characterized with XRD, SEM, and luminescence analysis. XRD analysis indicated that the powders were a monoclinic sanmartinite. SEM micrograph indicated that powders were of a grain size about 20-500 nm which increased with increasing calcining temperature. The powders exhibit a broad blue-green emission band. The Fe-substitution results in the decrease of the crystallinity, grain size and luminescence intensity, but different character of luminescence band. The deep blue and blue emission appear more intense, and blue-green and yellow-green emission appear weaker, for the Fe-doped powders than for the undoped powders. The experimental results also revealed a red emission near 590-680 nm for the Fe-doped powders.

引用

页码：236 / 240

页数：5

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